NHTSA Recall 03V253000: Check valve (service brakes)
MACK TRUCKS, INCORPORATED reported this safety recall to NHTSA on , covering an estimated 1,232 vehicles. It affects 10 models including the Mack Ch.
| NHTSA campaign | 03V253000 |
|---|---|
| Manufacturer campaign | SC0281 |
| Component | SERVICE BRAKES, AIR › SUPPLY › CHECK VALVE |
| Report received | July 17, 2003 |
| Owner notification | November 26, 2003 |
| Initiated by | Manufacturer |
Defect
Certain heavy duty vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems." improper seating of the check valve retainer in the brass fitting housing has occurred. It is possible for the air brake system pressure to push the check valve internal parts into the primary system reservoir and a vehicle operator would not know that this has happened.
Safety risk
In this condition, the vehicle would not meet the emergency requirements of the standard.
Remedy
Dealers will replace the check valve. Owner notification began november 26, 2003. Owners should contact mack at 1-610-709-3337.
Notes
Mack recall no. Sc0281.customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-DOT (1-888-327-4236).
Vehicles covered by recall 03V253000
| Make and model | Model years |
|---|---|
| Mack Ch | 2003 |
| Mack Cl | 2003 |
| Mack Cv | 2003 |
| Mack Cx | 2003 |
| Mack DM6 | 2003 |
| Mack Dmm | 2003 |
| Mack LE | 2003 |
| Mack Mr | 2003 |
| Mack RD6 | 2003 |
| Mack RD8 | 2003 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.